It was found that well-dispersed FSi suspension
could be prepared by either using the ultrasonic bath or
agitator bead mill, while only the agitator bead mill could
yield well-dispersed PSi suspension having similar size to
the dispersed FSi. From these results, the agitator bead mill
and ultrasonic bath were chosen to prepare PSi and FSi
suspensions, respectively. More details are discussed later
in the results section.